Blog

Collecting Drinking Water from Roofs in 5 Steps

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In NZ, approximately 10% of the population relies on rainwater collection for their daily needs. Allco JM TPO is certified as a suitable waterproofing membrane for water collection.

Allco JM TPO certified membrane for water collection

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Allco’s JM TPO has undergone rigorous testing and is proven to meet the New Zealand requirements (AS/NZS 4020:2018) as a suitable membrane for the collection of potable water.

Sharing Allco’s Values with the Community

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Allco Waterproofing is working in partnership with Rotorua Lakes High School to create better outcomes for students with learning difficulties. The partnership is funding a designated Teacher Aide for Year 9 and 10 students.

TA Team: Technical Knowledge and Site Support


Established in 2007, Allco’s Technical Advisory department had one clear goal: to support and guide our approved applicators and to ensure the correct installation of our Volclay range. At that time, no other suppliers offered a similar service, and we believe this remains a unique point of difference.

Rose joins the Allco Team!

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The Allco team continues to grow and we’re excited to introduce our new South Island Architectural Advisor, Rose Ross. She will be based in Christchurch, working closely with S.I. Sales Manager Damien, to continue our growth and expansion in region.

The Resilience of Allco tanking membranes under extreme weather conditions


During the extreme weather events of early 2023, our tanking membranes were really put to the test. A lot of construction sites around the country were negatively affected by the intense rain events wreaking havoc on already tight schedules and causing large delays, not to mention the increased cost due to the loss of product and time to replace.